Bed frame



FIG. 1 is a perspective view of a bed frame.

FIG. 2 is a front view thereof.

FIG. 3 is a back view thereof.

FIG. 4 is a right side view thereof.

FIG. 5 is a left side view thereof; and,

FIG. 6 is a top view thereof. 

CLAIM We claim the ornamental design for a bed frame, as shown. 